Undescript

[A]n English traveller […] says that "he raises his feathers on his head in the form of a crest; he is mixed black and white; the tail distinguished by four cinereous parallel stripes; and he is an undescript bird, not noticed by Linnæus."

Source: wiktionary

A undescript man hears Brycurs plea, and turns towanrd him: "A magic shop? Oh, yeah, just turn the next 18th corner, go south until you reach a field with pink elephants, chicken with teeth, and flying cows. It's just on the other side of the street..."

Source: wiktionary

It could have taken one undescript person with the equivalent of an eraser and the ability to change a map to cause the events to unfurl in Belgrade.

Source: wiktionary

I'll just leave this vague and undescript because it give it a personal feel, to know that I am talking to each and everyone of you Depeche Mode fans out there!

Source: wiktionary